The correct answer is A : The caged bird's owner,
my reason being is because , the cage bird's owner should be with the bird ,more often he/she is with the bird more often , so he/she is more than likely to understand the bird.
i hope that this will helps you a lot.
Usher tries to explain the nature of his illness; he suffers from a "morbid acuteness of the senses." He can eat "only the most insipid food, wear only delicate garments," and he must avoid the odors of all flowers.
Characters: Roderick Usher
Author: Edgar Allan Poe
Everyone behaves as a distributive pronoun
In medais res means in the midst of or in the middle. Choose something representing middle. Thanky